CN214641723U - Steel pipe hot flattening plate forming machine - Google Patents

Abstract

The utility model discloses a steel pipe heat flattening plate forming machine, which comprises a machine base, wherein a steel pipe input device, a pipe opening device, an expansion device and a plate device are sequentially arranged on the machine base; the tube opening device comprises a rolling cutting roller which is rotatably arranged on the machine base, the rolling cutting roller is provided with an outer rolling cutting edge, a rolling cutting seat which is positioned in the inner cavity of the steel tube is fixedly arranged on the machine base, and an inner rolling cutting edge which corresponds to the outer rolling cutting edge is rotatably arranged on the rolling cutting seat; the rolling and cutting roller is connected with a rolling and cutting driver, and the rolling and cutting roller and/or the machine base are/is provided with a rolling and cutting holding mechanism corresponding to the steel pipe. The steel pipe of steel pipe input device input just can be in succession cut the back, quilt extension device expands to be similar flat-plate-like, then by dull and stereotyped device roll-in is the panel of required thickness. The utility model discloses with this realized that old and useless steel pipe uses to the conversion of steel sheet resource, the conversion is effectual and conversion efficiency is high.

Description

Steel pipe hot flattening plate forming machine

Technical Field

The utility model relates to a tubular product processing technology field especially relates to a steel pipe hot flattening becomes trigger.

Background

The steel pipe is a steel material having a hollow cross section and a length much greater than a diameter or a circumference, and has a wide use in various fields such as engineering, heating power, petrochemical industry, mechanical manufacturing, and the like. Regardless of the production of steel pipes, and the use of steel pipes in various fields, waste pipes or old pipes are inevitably produced. The old oil pipe which is replaced regularly in an oil field can be used by hot rolling again, but unqualified waste pipes generated in production, even old pipes which are replaced seriously abraded or corroded in various fields are difficult to recycle by hot rolling, and even the old oil pipe which can be used after hot rolling is extremely likely to be useless due to the purchase and use of new oil pipes. In addition, due to the influence of steel market conditions, various field management policies and the like, the waste steel pipes in various fields are difficult to sell and utilize. Therefore, a technology for converting the resources of the waste steel pipes, which is convenient to use in various fields, is required to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a convenient use in more field is provided, can realize steel pipe resource conversion, and the conversion is effectual, and the steel pipe heat flattening that conversion efficiency is high becomes the trigger.

In order to solve the technical problem, the technical scheme of the utility model is that: the steel pipe hot flattening plate forming machine comprises a machine base, wherein a steel pipe input device, a pipe opening device, an expansion device and a plate device are sequentially arranged on the machine base; the tube opening device comprises a rolling cutting roller which is rotatably arranged on the machine base, the rolling cutting roller is provided with an outer rolling cutting edge, a rolling cutting seat which is positioned in the inner cavity of the steel tube is fixedly arranged on the machine base, and an inner rolling cutting edge which corresponds to the outer rolling cutting edge is rotatably arranged on the rolling cutting seat; the rolling and cutting roller is connected with a rolling and cutting driver, and the rolling and cutting roller and/or the machine base are/is provided with a rolling and cutting holding mechanism corresponding to the steel pipe.

As an optimized technical scheme, the roll-cutting holding mechanism comprises a holding groove arranged on the roll-cutting roller, the roll-cutting outer blade is arranged at the groove bottom of the holding groove, and the holding groove is positioned at two sides of the roll-cutting outer blade and is respectively provided with a pipe-opening avoiding groove.

As a preferred technical scheme, a rolling-cutting pressing holder is slidably mounted on the machine base, a rolling-cutting pressing roller opposite to the rolling-cutting roller is rotatably mounted on the rolling-cutting pressing holder, and a rolling-cutting pressing groove corresponding to the steel pipe is formed in the rolling-cutting pressing roller; and a rolling cutting pressing regulator is arranged between the rolling cutting pressing holder and the machine base.

As the preferred technical scheme, a press-holding centering stabilizer is arranged on the machine base corresponding to the roll-cutting press-holding seat.

As preferred technical scheme, extension device is including fixed setting up on the frame, and be located the wedge extension piece of the side of going to the pipe of hobbing inner blade, lie in on the frame the pipe end both sides that go of wedge extension piece are rotated respectively and are installed the extension cone pulley, correspond two on the frame extension cone pulley department is rotated and is installed the nose and press and hold the wheel, lie in on the frame two the side of going to the pipe of extension cone pulley is rotated and is installed preliminary flat wheelset.

According to a preferable technical scheme, the flat device comprises a plurality of flat roller sets which are arranged on the machine base, the rolling gaps of the flat roller sets are sequentially arranged in a decreasing mode along the conveying direction, the linear speed of the flat roller sets is sequentially arranged in an increasing mode along the conveying direction, and a drawing driver is arranged between each flat roller set and the machine base.

As a preferred technical scheme, the flat roller set comprises a fixed roller seat fixedly arranged on the machine seat and a movable roller seat slidably arranged on the machine seat, a flat fixed roller is rotatably arranged on the fixed roller seat, a flat movable roller corresponding to the flat fixed roller is rotatably arranged on the movable roller seat, and a rolling gap is arranged between the flat movable roller and the flat fixed roller; and a rolling gap regulator is arranged between the movable roller seat and the machine seat.

As a preferred technical scheme, the machine base is provided with a movable roller centering positioner corresponding to each movable roller seat.

As a preferred technical scheme, the steel pipe input device comprises at least two conveying clamping seats which are uniformly distributed on the machine base in the circumferential direction, and the conveying clamping seats are arranged along the radial direction of the steel pipe in a sliding mode; conveying clamping wheels are rotatably mounted on the conveying clamping seats respectively, and conveying drivers are mounted between the conveying clamping wheels and the corresponding conveying clamping seats; and conveying pipe diameter adapters are respectively arranged between each conveying clamping seat and the machine base.

As a preferable technical scheme, a conveying clamping groove is formed in the wheel surface of each conveying clamping wheel, and conveying embedded teeth are uniformly arranged on each conveying clamping groove.

By adopting the technical scheme, the steel pipe hot-flattening plate forming machine comprises a machine base, wherein a steel pipe input device, a pipe opening device, an expansion device and a plate device are sequentially arranged on the machine base; the tube opening device comprises a rolling cutting roller which is rotatably arranged on the machine base, the rolling cutting roller is provided with an outer rolling cutting edge, a rolling cutting seat which is positioned in the inner cavity of the steel tube is fixedly arranged on the machine base, and an inner rolling cutting edge which corresponds to the outer rolling cutting edge is rotatably arranged on the rolling cutting seat; the rolling and cutting roller is connected with a rolling and cutting driver, and the rolling and cutting roller and/or the machine base are/is provided with a rolling and cutting holding mechanism corresponding to the steel pipe. The utility model discloses roll cutting roller department, roll cut the interior sword with roll cut the outer sword and can form the roll of pipe wall and cut, roll and cut stability and accuracy nature that embrace the right mechanism and can guarantee to roll and cut. The steel pipe input by the steel pipe input device can be continuously cut, expanded into an approximate flat plate shape by the expansion device, and rolled into a plate material with required thickness by the flat plate device. The utility model discloses with this realized that old and useless steel pipe uses to the conversion of steel sheet resource, the conversion is effectual and conversion efficiency is high. Because of the utility model discloses whole area is less, and the cost is lower, can make things convenient for each field enterprise individual self to purchase the use, therefore is convenient for promote in more field.

Drawings

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:

fig. 1 is a schematic front view of an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the A-A structure of FIG. 1;

FIG. 3 is an enlarged schematic view of the tube opener and expander of FIG. 1;

FIG. 4 is an enlarged schematic view of the B-B structure of FIG. 3;

FIG. 5 is an enlarged view of the C-C structure of FIG. 3, showing only the structure at the roll-cutting and nip rolls;

FIG. 6 is an enlarged schematic view of the roll-cutting block of FIG. 5;

fig. 7 is an enlarged view of the structure of fig. 1 at a flat roller set.

In the figure: 1-a machine base;

2-steel pipe input device; 201-conveying clamping seat; 202-transport gripping wheels; 203-a transport drive; 204-conveying clamping groove; 205-conveying pipe diameter adapter; 206-pipe diameter adaptive adjusting screw; 207-pipe diameter adapting adjusting screw holes; 208-reverse jacking force screw; 209-reverse jacking force screw hole; 210-reverse top locknut;

3-a pipe opening device; 301-roll cutting roller; 302-rolling the outer blade; 303-holding the supporting groove; 304-pipe-open avoidance slots; 305-rolling cutting seat; 306-rolling the inner edge; 307-inner edge relief notch; 308-inner blade main shaft; 309-rolling cutting and pressing holder; 310-rolling and cutting the pressure holding roller; 311-rolling and cutting a pressing groove; 312-rolling-cutting pressure-holding regulator; 313-rolling, cutting, pressing and holding the adjusting screw rod; 314-rolling, cutting, pressing and holding the adjusting screw hole; 315-pressing, centering and stabilizing device; 316-pressing, centering and propping against the screw rod; 317-pressing, centering and propping against the screw hole; 318-pressing, centering and stabilizing the nut; 319-hobbing centering stabilizer;

4-an expansion device; 401-a wedge-shaped expansion block; 402-expanding cone pulley; 403-pipe top pressing wheel; 404-preliminarily flattening the wheel set;

5-a plate device; 501-flat roller group; 502-a guide plate device; 503-fixed roller seat; 504-plate fixed roller; 505-moving roller seat; 506-flat plate moving roller; 507-roll gap adjuster; 508-roll gap adjusting screw; 509-roll gap adjusting screw holes; 510-a roller centering positioner; 511-the moving roller is centered and against the screw rod; 512-the moving roller is centered and propped against the screw hole; 513-moving roller centering and stabilizing nut; 514-roller centering locators.

Detailed Description

The invention is further explained below with reference to the drawings and examples. In the following detailed description, exemplary embodiments of the invention are described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.

As shown in fig. 1 to 7, the steel pipe hot-flattening plate forming machine comprises a machine base 1, wherein a steel pipe input device 2, a pipe opening device 3, an expansion device 4 and a plate device 5 are sequentially arranged on the machine base 1.

The steel pipe input device 2 is used for forcefully inputting a steel pipe to the pipe opening device 3. The steel pipe input device 2 comprises at least two conveying clamping seats 201 which are circumferentially and uniformly distributed on the machine base 1, and the embodiment shows that the number of the conveying clamping seats 201 is three; the conveying clamping seat 201 is installed along the radial direction of the steel pipe in a sliding mode. Each conveying clamping seat 201 is rotatably provided with a conveying clamping wheel 202, and the conveying clamping wheels 202 can clamp the steel pipe together. Between the transport gripper wheel 202 and the corresponding transport gripper seat 201, a transport drive 203 is mounted, which transport drive 203 conventionally comprises a transport drive motor. In this embodiment, the conveying power individually configured for each conveying clamping wheel 202 can form a conveying resultant force, thereby enhancing the pipe conveying force from the steel pipe input device 2 to the pipe opening device 3.

Preferably, each wheel face of the conveying clamping wheel 202 of this embodiment is provided with a conveying clamping groove 204, and the conveying clamping groove 204 can increase the contact area between the conveying clamping wheel 202 and the steel pipe, so as to avoid conveying slipping and facilitate further increase of pipe conveying strength. The conveying clamping groove 204 can adopt an arc-shaped groove, a V-shaped groove or a trapezoidal groove and the like. Each evenly be equipped with on the transport centre gripping groove 204 and carry and inlay and hold the tooth, carry and inlay and hold the tooth and can promote the pressure to the steel pipe outer wall under equal clamping effort to make steel pipe input device 2 forms the embedding of steel pipe easily and holds the transport effect, does benefit to further to improve and send the pipe dynamics.

In this embodiment, a conveying pipe diameter adapter 205 is respectively arranged between each conveying clamping seat 201 and the machine base 1, and the conveying pipe diameter adapter 205 can facilitate the embedded conveying of steel pipes with different pipe diameters in this embodiment. The conveying pipe diameter adapter 205 comprises pipe diameter adapting adjusting screw rods 206 which are rotatably installed on the machine base 1 and correspond to the conveying clamping seats 201 one by one, and pipe diameter adapting adjusting screw holes 207 are respectively formed in each conveying clamping seat 201; at least two anti-jacking force screws 208 which are arranged in a central symmetry manner are respectively arranged on the machine base 1 at each pipe diameter adaptive adjusting screw 206, and the end parts of the anti-jacking force screws 208 are arranged in a manner of abutting against the corresponding conveying clamping seats 201; the machine base 1 is provided with a reverse jacking force screw hole 209 corresponding to the reverse jacking force screw rod 208, and a reverse jacking locking nut 210 is arranged at one end of the reverse jacking force screw rod 208, which is positioned in the reverse jacking force screw hole 209.

When the steel pipe is conveyed between the conveying clamping wheels 202, the pipe diameter adaptive adjusting screw 206 is rotated, so that the conveying clamping wheels 202 form embedding clamping on the steel pipe. And then the reverse jacking force screw 208 is rotated to be abutted against the corresponding conveying clamping seat 201. Thus, each conveying clamping seat 201 is kept stable in a fixed position under the abutting limit of the reverse jacking force screw 208, and the conveying clamping wheel 202 can form a stable clamping effect. And then, each reverse jacking locking nut 210 is rotated to lock and fix the reverse jacking force applying screw 208.

The pipe opening device 3 is used for cutting the pipe wall of the steel pipe along a straight line parallel to the axis of the steel pipe, so that the steel pipe is easy to have a relatively flat edge when being converted into a plate. The tube opening device 3 of this embodiment includes a hobbing roller 301 rotatably mounted on the machine base 1, a hobbing outer blade 302 is provided on the hobbing roller 301, and the hobbing outer blade 302 is an annular blade coaxial with the hobbing roller 301; a rolling-cut seat 305 positioned in the inner cavity of the steel pipe is fixedly arranged on the machine base 1, and a rolling-cut inner blade 306 corresponding to the rolling-cut outer blade 302 is rotatably arranged on the rolling-cut seat 305. A roll-cutting drive, which conventionally includes a roll-cutting drive motor and the like, is connected to the roll-cutting roller 301. The hobbing driver drives the hobbing outer blade 302 to form active hobbing, and the hobbing inner blade 306 can be matched with the hobbing of the hobbing outer blade 302 to form continuous pipe opening of the steel pipe. Preferably, the hobbing outer edge 302 and the hobbing inner edge 306 are both made of heat-resistant materials. In order to reduce the tangential force and improve the service life, the back surfaces of the hobbing inner blade 306 and the hobbing outer blade 302 in this embodiment are formed by smoothly transitioning a plurality of conical surfaces, that is, the conicity of each conical surface gradually increases in the direction away from the flank surface. Preferably, the back surface of the hobbing inner blade 306 is formed by smooth transition of six conical surfaces, and the back surface of the hobbing outer blade 302 is formed by smooth transition of three conical surfaces.

This embodiment shows that the hobbing base 305 is a cylindrical shape, and the cylindrical hobbing base 305 is provided with an inner blade avoiding opening 307 through the opening, the hobbing base 305 is provided with inner blade shaft mounting holes respectively on two sides of the inner blade avoiding opening 307, an inner blade main shaft 308 is fixedly mounted between the inner blade shaft mounting holes, and the inner blade main shaft 308 is provided with the hobbing inner blade 306 through an inner blade bearing. Preferably, one of the inner blade spindle mounting holes is splined to the inner blade spindle 308.

The roll-cutting roller 301 and/or the machine base 1 are/is provided with a roll-cutting holding mechanism corresponding to the steel pipe, and the roll-cutting holding mechanism ensures the stability of the steel pipe during roll-cutting, so that the roll-cutting inner blade 306 and the roll-cutting outer blade 302 can cut the steel pipe along a fixed straight line.

This embodiment the rolling cut is embraced and is held mechanism is including setting up embrace groove 303 on the rolling cut roller 301, the rolling cut outer blade 302 sets up embrace the tank bottom department of holding groove 303, it lies in to embrace groove 303 the both sides of rolling cut outer blade 302 are equipped with respectively and keep away a tub groove 304 of dodging. When the steel pipe reaches the rolling inner blade 306 and the rolling outer blade 307, the bottom of the steel pipe can be pressed on the groove bottom of the holding groove 303 by shearing of the rolling inner blade 306, so that two sides of the steel pipe can be supported on the groove wall of the holding groove 303, which is equivalent to holding the steel pipe from two sides by the holding groove 303.

The holding groove 303 is an arc-shaped groove, and a V-shaped groove or a trapezoidal groove may be adopted. After the pipe wall is cut, a certain degree of opening can occur at the opening, particularly at one side of the rolling cutting inner blade 306, and the two open pipe avoiding grooves 304 can provide a certain space for the opening, so that the excessive resistance caused by the extrusion friction between the opened steel pipe and the holding groove 303 is avoided.

In this embodiment, a rolling-cut pressure holder 309 is slidably mounted on the machine base 1, a rolling-cut pressure holder 310 opposite to the rolling-cut roller 301 is rotatably mounted on the rolling-cut pressure holder 309, and a rolling-cut pressure holding groove 311 corresponding to the steel pipe is formed in the rolling-cut pressure holder 310; a rolling-cut pressing regulator 312 is arranged between the rolling-cut pressing holder 309 and the machine base 1. The rolling cut pressing holding groove 311 can be matched with the holding groove 303 to effectively hold the steel pipe, so that the stability and the accuracy of rolling cut are further improved, and the flatness of the edge of the final plate is guaranteed.

The hobbing clamping adjuster 312 can adjust the clamping height of the hobbing clamping groove 311 relative to the holding groove 303, so that the hobbing clamping can be conveniently performed on steel pipes with different pipe diameters. The hobbing and pressing regulator 312 of the present embodiment includes a hobbing and pressing regulating screw 313 rotatably mounted on the machine base 1, and a hobbing and pressing regulating screw 314 corresponding to the hobbing and pressing regulating screw 313 is provided on the hobbing and pressing base 309. By rotating the hobbing and pressing adjusting screw 313, the hobbing and pressing holder 309 can move close to or away from the hobbing roller 301, and the pressing height of the hobbing and pressing groove 311 relative to the holding groove 303 is adjusted. Of course, the hobbing and pressing regulator 312 of this embodiment can also stabilize the hobbing and pressing holder 309 adjusted in position by referring to the structure of the anti-jacking force screw 208 in the conveying pipe diameter adapter 205.

In this embodiment, the hobbing roller 301 and the machine base 1 are both provided with structures to form the hobbing holding mechanism, and of course, only the holding groove 303 or only the hobbing holding roller 310 and the hobbing holding groove 311 may be provided. Preferably, the groove wall of the holding groove 303 and the groove wall of the hobbing pressure holding groove 311 are provided with holding teeth, and the holding teeth can improve holding reliability and further improve hobbing stability and accuracy. Of course, it is also possible to provide the holding teeth only on the groove wall of the holding groove 303 or the groove wall of the hobbing holding groove 311.

In this embodiment, a press-holding centering stabilizer 315 is arranged on the machine base 1 corresponding to the hobbing press-holding base 309, the press-holding centering stabilizer 315 can prevent the hobbing press-holding roller 310 from deviating in the front-back direction relative to the hobbing roller 301 on the one hand, so as to ensure the reliability of hobbing press-holding, and can prevent the hobbing press-holding roller 310 from shaking in the front-back direction due to the dynamic friction of a steel pipe on the other hand, thereby ensuring the accuracy of hobbing.

The pressing, centering and stabilizing device 315 includes pressing, centering and abutting screws 316 symmetrically installed on the pipe feeding side and the pipe removing side of the hobbing pressing holder 309, pressing, centering and abutting screw holes 317 are respectively arranged on the machine base 1 corresponding to each pressing, centering and abutting screw 316, and pressing, centering and stabilizing nuts 318 are respectively installed on each pressing, centering and abutting screw 316. By rotating the pressing, centering and abutting screws 316 on the two sides of the hobbing and pressing holder 309, the pressing, centering and abutting screws 316 on the two sides abut against the hobbing and pressing holder 309, and the hobbing and pressing roller 310 is located right above the hobbing roller 301, so that the reliable hobbing and pressing and the accurate hobbing are realized in the embodiment. And then the pressing, centering and stabilizing nut 318 is adjusted to be matched with the corresponding pressing, centering and abutting screw hole 317, the pressing, centering and abutting screw rod 316 is locked, and the rolling cutting and pressing roller 310 is kept stable at the correct position.

In addition, when the mounting seat of the hobbing roller 301 is fixed on the machine base 1 by bolts, the hobbing centering stabilizer 319 can be arranged at the mounting seat of the hobbing roller 301 in the embodiment, so as to avoid the position deviation of the hobbing roller 301 caused by bolt connection errors, facilitate the centering and stable matching of the hobbing roller 301 and the hobbing pressure holding roller 310, and further ensure the reliable and accurate hobbing. The structure of the hobbing centering stabilizer 319 is easily obtained by those skilled in the art according to the structure of the pressing centering stabilizer 315, and is not described herein again.

The steel pipe after the cut opening reaches the expanding device 4, and the expanding device 4 is used for expanding the steel pipe from the opening so as to facilitate the rolling of a subsequent flat plate. The expanding device 4 comprises a wedge-shaped expanding block 401 which is fixedly arranged on the machine base 1 and is positioned at the pipe removing side of the rolling cutting inner blade 306. Under the powerful conveying of the steel pipe input device 2, when an opened steel pipe passes through the wedge-shaped expansion block 401, the opening can be gradually enlarged under the guidance of the inclined surface of the wedge-shaped expansion block 401. Preferably, the width of the longitudinal section of the wedge-shaped expansion block 401 gradually increases along the direction away from the hobbing roller 301, so that the open steel pipe can gradually form an opening towards the outside of the pipe without being recessed.

And the two sides of the pipe end of the wedge-shaped expansion block 401 on the machine base 1 are respectively and rotatably provided with an expansion cone pulley 402, and the expansion cone pulley 402 can further expand the expanded opening of the steel pipe. The machine base 1 is rotatably provided with pipe top pressing wheels 403 corresponding to the two expansion cone pulleys 402, in this embodiment, one side of the steel pipe opposite to the opening is used as a pipe top, and then the pipe top pressing wheels 403 are equivalent to pressing the pipe top of the steel pipe, so that the opening of the steel pipe can be effectively expanded by the expansion cone pulleys 402. The pipe removing side of the two expansion cone pulleys 402 on the machine base 1 is rotatably provided with a primary flattening wheel set 404, and the primary flattening wheel set 404 in the embodiment comprises two primary flattening wheels which are oppositely arranged up and down. The primary flattening wheel set 404 can initially extrude the steel pipe with a larger opening into an approximate flat plate shape, so as to facilitate subsequent rolling.

The steel pipe is formed into an approximate flat plate shape, and reaches the flat plate device 5, and the flat plate device 5 is used for rolling the approximately flat steel pipe into a steel plate with required thickness and compact structure. The flat device 5 comprises a plurality of flat roller sets 501 arranged on the machine base 1, and the rolling gaps of the flat roller sets 501 are sequentially reduced along the conveying direction, so that the materials can be gradually rolled. The method is not only beneficial to the reliable use of the equipment structure, but also beneficial to the uniform thickness, compact structure and good physical property of the final steel plate.

Linear velocities of the flat roller sets 501 are sequentially increased along a conveying direction, and a drawing driver 502 is arranged between each flat roller set 501 and the machine base 1. The successively higher line speeds may provide a tensioning effect on the upstream incoming material. This tension effect can form first with the tractive of inlaying of steel pipe input device 2 and holding propelling movement matched with for the steel pipe can move ahead smoothly on this embodiment whole working line, secondly makes the steel pipe be in it is more extended to open 3 departments of pipe device, does benefit to the assurance open 3 smoothness and the accuracy nature of shearing of pipe device, third is more important, and tension effect can elongate panel to a certain extent, reduces thickness, and this can reduce the degree of difficulty of roll-in thereupon, and tension effect and the roll-in clearance that reduces gradually have formed the cooperation from this for panel gradually rolls into required thickness and organizes compact steel sheet. The gradually increasing linear velocity of the plate roller sets 501 can be achieved by controlling the angular velocity of each plate roller set 501 during transmission and setting the roller diameter of each plate roller set 501, which can be easily obtained by a person skilled in the art by combining with the knowledge of the prior art, and is not described herein again.

The flat roller set 501 comprises a fixed roller seat 503 fixedly arranged on the machine seat 1 and a movable roller seat 505 slidably arranged on the machine seat 1, a flat fixed roller 504 is rotatably arranged on the fixed roller seat 503, a flat movable roller 506 corresponding to the flat fixed roller 504 is rotatably arranged on the movable roller seat 505, and a rolling gap is arranged between the flat movable roller 506 and the flat fixed roller 504; a rolling gap adjuster 507 is arranged between the movable roller seat 505 and the machine seat 1.

The roll gap adjuster 507 can adjust the size of the roll gap, so that the steel pipes with different wall thicknesses can be processed in the embodiment, and the requirement for roll forming of steel plates with different thicknesses is met. The rolling gap adjuster 507 includes a rolling gap adjusting screw 508 rotatably mounted on the housing 1, and a rolling gap adjusting screw 509 corresponding to the rolling gap adjusting screw 508 is provided on the movable roller housing 505. By rotating the rolling gap adjusting screw 508, the movable roller base 505 is finely adjusted to be close to or far from the fixed roller base 503, so that the rolling gap is adjusted. Of course, the rolling gap adjuster 507 of this embodiment may also refer to the structure of the reverse-pushing force screw 208 in the conveying pipe diameter adapter 205 to stabilize the adjusted position of the movable roller seat 505.

In this embodiment, the machine base 1 is provided with a roller centering locator 510 corresponding to each roller seat 505, and the roller centering locator 510 can avoid the front-back direction deviation of the flat plate roller 506 relative to the flat plate roller 504, so as to ensure the accuracy of the rolling gap and further ensure the accurate rolling forming. The movable roller centering positioner 510 comprises movable roller centering abutting screw rods 511 symmetrically installed on the side of the incoming plate and the side of the outgoing plate of each movable roller seat 505, movable roller centering abutting screw holes 512 are respectively arranged on the machine base 1 corresponding to each movable roller centering abutting screw rod 511, and movable roller centering stabilizing nuts 513 are respectively installed on each movable roller centering abutting screw rod 511. The accurate rolling gap is realized by rotating each movable roller seat 505 to enable the movable roller pair on the plate side and the plate-removing side to abut against the screw rods 511, so that the movable roller pair on the two sides abuts against the corresponding movable roller seat 505 respectively, and the flat movable roller 506 is positioned right above the corresponding flat fixed roller 504. Then, the movable roller centering and stabilizing nut 513 is adjusted to be matched with the corresponding movable roller centering and abutting screw hole 512, the movable roller centering and abutting screw 511 is locked, and the flat movable roller 506 forms a stable rolling gap with the corresponding flat fixed roller 504.

In addition, when the fixed roller seat 503 is fixed on the machine base 1 by bolts, the fixed roller centering positioner 514 may be disposed at the fixed roller seat 503 in this embodiment, so as to avoid the deviation of the flat fixed roller 504 caused by bolt connection errors, and meanwhile, facilitate the centering adjustment of the movable roller seat 505, and ensure the accuracy of the rolling gap. The fixed roller centering positioner 514 is easily understood by those skilled in the art according to the structure of the movable roller centering positioner 510, and will not be described herein.

Guide plates 502 are respectively arranged on the machine base 1 on the inlet side and the outlet side of each flat plate roller set 501, and the guide plates 502 can support a plate so that the plate can smoothly enter the downstream flat plate roller sets 501. The guide plate 502 may be implemented by a support table, a guide channel, or the like.

When the steel pipe is in work, the steel pipe is firstly heated to a high temperature of more than 800 ℃, the deformation resistance of the steel pipe can be reduced due to the high temperature, the metal in the steel pipe flows uniformly, and ideal plate forming is facilitated. The high-temperature steel pipe is more easily clamped by the steel pipe input device 2, so that better embedded conveying is realized. When the high-temperature steel pipe reaches the rolling-cutting roller 301, the deformation resistance is reduced, so that continuous rolling-cutting of the pipe wall by the rolling-cutting inner blade 306 and the rolling-cutting outer blade 302 is facilitated, and the rolling-cutting holding mechanism can ensure the stability and accuracy of rolling-cutting. After the steel pipe is continuously cut, the expanding device 4 continuously expands the steel pipe into an approximate flat plate shape by utilizing the lower deformation resistance, and finally the flat plate device 5 stretches and rolls the steel pipe into a plate with the required thickness by utilizing the better fluidity in the high-temperature metal. The steel pipe of the embodiment is opened, expanded and rolled and formed in one go, the conversion effect is good, the conversion efficiency is high, and the conversion from the waste steel pipe to the steel plate resource is realized. Because of the whole area that occupies of this embodiment is less, the cost is lower, can make things convenient for the individual self of each field enterprise to purchase the use, therefore be convenient for promote in more fields.

The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. Steel pipe hot-flattening becomes trigger, including the frame, its characterized in that: the machine base is sequentially provided with a steel pipe input device, a pipe opening device, an expansion device and a flat plate device; the tube opening device comprises a rolling cutting roller which is rotatably arranged on the machine base, the rolling cutting roller is provided with an outer rolling cutting edge, a rolling cutting seat which is positioned in the inner cavity of the steel tube is fixedly arranged on the machine base, and an inner rolling cutting edge which corresponds to the outer rolling cutting edge is rotatably arranged on the rolling cutting seat; the rolling and cutting roller is connected with a rolling and cutting driver, and the rolling and cutting roller and/or the machine base are/is provided with a rolling and cutting holding mechanism corresponding to the steel pipe.

2. The steel pipe hot-flattening plate forming machine according to claim 1, characterized in that: the roll-cutting holding mechanism comprises holding grooves formed in the roll-cutting roller, outer roll-cutting blades are arranged at the positions of the grooves of the holding grooves, and the holding grooves are located on the two sides of the outer roll-cutting blades and are provided with pipe-opening avoiding grooves respectively.

3. The steel pipe hot-flattening plate forming machine according to claim 2, characterized in that: a rolling-cutting pressing holder is slidably mounted on the machine base, a rolling-cutting pressing roller opposite to the rolling-cutting roller is rotatably mounted on the rolling-cutting pressing holder, and a rolling-cutting pressing holding groove corresponding to the steel pipe is formed in the rolling-cutting pressing roller; and a rolling cutting pressing regulator is arranged between the rolling cutting pressing holder and the machine base.

4. The steel pipe hot-flattening plate forming machine according to claim 3, characterized in that: and the machine base is provided with a pressing, centering and stabilizing device corresponding to the hobbing pressing base.

5. The steel pipe hot-flattening plate forming machine according to claim 1, characterized in that: extension device is in including fixed setting on the frame, and be located the wedge extension piece that goes the pipe side of hobbing inner blade, lie in on the frame go pipe end both sides of wedge extension piece rotate respectively and install the extension cone pulley, correspond two on the frame extension cone pulley department rotates and installs the nose pressure and hold the wheel, lie in on the frame two the pipe side that goes of extension cone pulley rotates and installs preliminary flat wheelset of exhibition.

6. The steel pipe hot-flattening plate forming machine according to claim 1, characterized in that: the flat device comprises a plurality of flat roller sets arranged on the base, the rolling gaps of the flat roller sets are sequentially reduced along the conveying direction, the linear speed of the flat roller sets is sequentially increased along the conveying direction, and a traction driver is arranged between each flat roller set and the base.

7. The steel pipe hot-flattening plate forming machine according to claim 6, characterized in that: the flat roller set comprises a fixed roller seat fixedly arranged on the machine seat and a movable roller seat slidably arranged on the machine seat, a flat fixed roller is rotatably arranged on the fixed roller seat, a flat movable roller corresponding to the flat fixed roller is rotatably arranged on the movable roller seat, and a rolling gap is formed between the flat movable roller and the flat fixed roller; and a rolling gap regulator is arranged between the movable roller seat and the machine seat.

8. The steel pipe hot-flattening plate forming machine of claim 7, wherein: and the machine base is provided with a movable roller centering positioner corresponding to each movable roller seat.

9. The steel pipe hot-flattening plate forming machine according to claim 1, characterized in that: the steel pipe input device comprises at least two conveying clamping seats which are uniformly distributed on the machine base in the circumferential direction, and the conveying clamping seats are arranged along the radial direction of the steel pipe in a sliding mode; conveying clamping wheels are rotatably mounted on the conveying clamping seats respectively, and conveying drivers are mounted between the conveying clamping wheels and the corresponding conveying clamping seats; and conveying pipe diameter adapters are respectively arranged between each conveying clamping seat and the machine base.

10. The steel pipe hot-flattening plate forming machine of claim 9, wherein: and the wheel surface of each conveying clamping wheel is respectively provided with a conveying clamping groove, and each conveying clamping groove is uniformly provided with conveying embedded teeth.

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